FGFR1 and neoplasm: BL tumor cells exhibited elevated expression of MGP (matrix Gla protein), AZGP1 (alpha-2-glycoprotein 1), AGR2 (anterior gradient protein 2), TFF3 (trefoil factor 3), and FGFR1 compared to EP and LP cells (Figs. 1G and S1C,D).